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Examples: DirectX10, DirectX11: Using SetCapture/ReleaseCapture to get correct behavior (#1375)
ps: DirectX 12 example (#302) may want to adopt that as well.
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3e0765ee22
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@ -225,28 +225,43 @@ void ImGui_ImplDX10_RenderDrawLists(ImDrawData* draw_data)
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ctx->IASetInputLayout(old.InputLayout); if (old.InputLayout) old.InputLayout->Release();
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ctx->IASetInputLayout(old.InputLayout); if (old.InputLayout) old.InputLayout->Release();
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}
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}
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IMGUI_API LRESULT ImGui_ImplDX10_WndProcHandler(HWND, UINT msg, WPARAM wParam, LPARAM lParam)
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static bool IsAnyMouseButtonDown()
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{
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ImGuiIO& io = ImGui::GetIO();
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for (int n = 0; n < ARRAYSIZE(io.MouseDown); n++)
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if (io.MouseDown[n])
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return true;
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return false;
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}
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IMGUI_API LRESULT ImGui_ImplDX10_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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switch (msg)
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switch (msg)
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{
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{
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case WM_LBUTTONDOWN:
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case WM_LBUTTONDOWN:
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if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
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io.MouseDown[0] = true;
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io.MouseDown[0] = true;
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return true;
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return true;
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case WM_RBUTTONDOWN:
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if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
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io.MouseDown[1] = true;
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return true;
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case WM_MBUTTONDOWN:
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if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
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io.MouseDown[2] = true;
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return true;
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case WM_LBUTTONUP:
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case WM_LBUTTONUP:
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io.MouseDown[0] = false;
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io.MouseDown[0] = false;
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return true;
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if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
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case WM_RBUTTONDOWN:
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io.MouseDown[1] = true;
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return true;
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return true;
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case WM_RBUTTONUP:
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case WM_RBUTTONUP:
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io.MouseDown[1] = false;
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io.MouseDown[1] = false;
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return true;
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if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
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case WM_MBUTTONDOWN:
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io.MouseDown[2] = true;
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return true;
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return true;
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case WM_MBUTTONUP:
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case WM_MBUTTONUP:
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io.MouseDown[2] = false;
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io.MouseDown[2] = false;
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if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
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return true;
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return true;
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case WM_MOUSEWHEEL:
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case WM_MOUSEWHEEL:
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io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
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io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
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@ -232,28 +232,43 @@ void ImGui_ImplDX11_RenderDrawLists(ImDrawData* draw_data)
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ctx->IASetInputLayout(old.InputLayout); if (old.InputLayout) old.InputLayout->Release();
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ctx->IASetInputLayout(old.InputLayout); if (old.InputLayout) old.InputLayout->Release();
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}
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}
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IMGUI_API LRESULT ImGui_ImplDX11_WndProcHandler(HWND, UINT msg, WPARAM wParam, LPARAM lParam)
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static bool IsAnyMouseButtonDown()
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{
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ImGuiIO& io = ImGui::GetIO();
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for (int n = 0; n < ARRAYSIZE(io.MouseDown); n++)
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if (io.MouseDown[n])
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return true;
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return false;
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}
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IMGUI_API LRESULT ImGui_ImplDX11_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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{
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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switch (msg)
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switch (msg)
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{
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{
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case WM_LBUTTONDOWN:
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case WM_LBUTTONDOWN:
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if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
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io.MouseDown[0] = true;
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io.MouseDown[0] = true;
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return true;
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return true;
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case WM_RBUTTONDOWN:
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if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
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io.MouseDown[1] = true;
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return true;
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case WM_MBUTTONDOWN:
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if (!IsAnyMouseButtonDown()) ::SetCapture(hwnd);
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io.MouseDown[2] = true;
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return true;
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case WM_LBUTTONUP:
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case WM_LBUTTONUP:
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io.MouseDown[0] = false;
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io.MouseDown[0] = false;
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return true;
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if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
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case WM_RBUTTONDOWN:
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io.MouseDown[1] = true;
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return true;
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return true;
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case WM_RBUTTONUP:
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case WM_RBUTTONUP:
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io.MouseDown[1] = false;
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io.MouseDown[1] = false;
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return true;
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if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
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case WM_MBUTTONDOWN:
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io.MouseDown[2] = true;
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return true;
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return true;
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case WM_MBUTTONUP:
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case WM_MBUTTONUP:
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io.MouseDown[2] = false;
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io.MouseDown[2] = false;
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if (!IsAnyMouseButtonDown()) ::ReleaseCapture();
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return true;
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return true;
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case WM_MOUSEWHEEL:
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case WM_MOUSEWHEEL:
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io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
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io.MouseWheel += GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1.0f : -1.0f;
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